Ti-6Al-2Sn-4Zr-2Mo

Ti-6Al-2Sn-4Zr-2Mo (UNS designation R54620), also known as Ti 6-2-4-2, is a near alpha titanium alloy known for its high strength and excellent corrosion resistance. It is often used in the aerospace industry for creating high-temperature jet engines and the automotive industry to create high performance automotive valves.[1]

Chemistry[2]

Al Sn Zr Mo Fe O Si C N H Y Remainder, each Remainder, total
Min. 5.5 1.8 3.6 1.8 — — 0.06 — — — — — —
Max. 6.5 2.2 4.4 2.2 0.25 0.12 0.10 0.05 0.05 0.015 0.005 0.1 0.3

Markets[3]

  • Aerospace
  • Automobile

Applications[4][5]

  • High-temp jet engines
  • Gas turbine compressor components (Blades, Discs, Spacers and Seals)
  • High performance automotive valves
  • Sheet metal parts in afterburners and hot airframe sections
  • Aircraft brake parts (e.g. Boeing 787)

Specifications[6]

  • AMS: 4919, 4975, 4976, 4979, T 9047
  • MIL-T : 9046, 9047
  • MIL-F: 81556, 82142
  • Werkstoff: 3.7145
  • EN: 3.71450
  • GE: B50TF22, B50TF21, C50TF7, B50TF22
  • PWA: 1220
  • DIN: 3.7164
  • UNS: R54620

References

  1. ^ "Titanium Ti-6Al-2Sn-4Zr-2Mo (Ti-6-2-4-2), Sheet". ASM.
  2. ^ "Ti-6Al-2Sn-4Zr-2Mo Titanium Alloy". Rickard Metals. 5 August 2014.
  3. ^ "Titanium Ti-6Al-2Sn-4Zr-2Mo (Ti-6-2-4-2), Sheet". ASM.
  4. ^ "Titanium Ti-6Al-2Sn-4Zr-2Mo (Ti-6-2-4-2), Sheet". ASM.
  5. ^ "Grade 6Al 2Sn 4Zr 2Mo Titanium Alloy (UNS R54620)". AZO Materials. 20 June 2013.
  6. ^ "Ti-6Al-2Sn-4Zr-2Mo Titanium Alloy". Rickard Metals. 5 August 2014.